<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org" xmlns:shiro="http://www.pollix.at/thymeleaf/shiro">
<head>
    <meta charset="UTF-8"/>
    <title>Title</title>
</head>
<body>
   <form action="/login" method="post">
       <input  type="text" id="username"  name="username"/>
       <input  type="password" id="password"  name="password"/>
       <button type="submit">登录</button>
   </form>

</body>
</html>